This article was last updated on the June 27, 2016.
Setup a child theme
If you plan on making any updates or additions to X outside of a minor CSS adjustment or a simple script such as Google Analytics, you will definitely want to look into setting up a child theme on your site. While smaller CSS and JavaScript changes can easily be managed via the Custom section of the Customizer, a child theme will allow you to do all that and much more with greater flexibility and control. If you've never …

After that please add following code in child theme function.php file to display slider on blog page.